<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="合同ID" prop="houseContract">
        <el-input
          v-model="queryParams.houseContract"
          placeholder="请输入合同ID"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="账单创建时间" prop="billCreatedAt">
        <el-date-picker clearable
                        v-model="queryParams.billCreatedAt"
                        type="date"
                        value-format="yyyy-MM-dd"
                        placeholder="请选择账单创建时间">
        </el-date-picker>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:information:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:information:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:information:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:information:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="informationList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="账单ID" align="center" prop="billId" />
      <el-table-column label="合同ID" align="center" prop="houseContract" />
      <el-table-column label="账单创建时间" align="center" prop="billCreatedAt" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.billCreatedAt, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="账单总金额" align="center" prop="totalAmount" />
      <el-table-column label="支付时间" align="center" prop="paymentDate" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.paymentDate, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="支付凭证" align="center" prop="paymentProof" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.paymentProof" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:information:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:information:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改账单对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="50%" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="合同ID" prop="houseContract">
          <el-input v-model="form.houseContract" placeholder="请输入合同ID" />
        </el-form-item>
        <el-form-item label="账单创建时间" prop="billCreatedAt">
          <el-date-picker clearable
                          v-model="form.billCreatedAt"
                          type="date"
                          value-format="yyyy-MM-dd"
                          placeholder="请选择账单创建时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="账单总金额" prop="totalAmount">
          <el-input v-model="form.totalAmount" placeholder="请输入账单总金额" />
        </el-form-item>
        <el-form-item label="支付时间" prop="paymentDate">
          <el-date-picker clearable
                          v-model="form.paymentDate"
                          type="date"
                          value-format="yyyy-MM-dd"
                          placeholder="请选择支付时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="支付凭证" prop="paymentProof">
          <image-upload v-model="form.paymentProof"/>
        </el-form-item>
        <el-divider content-position="center">账单明细信息</el-divider>
        <el-row :gutter="10" class="mb8">
          <el-col :span="1.5">
            <el-button type="primary" icon="el-icon-plus" size="mini" @click="handleAddHouseChargeItem">添加</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="handleDeleteHouseChargeItem">删除</el-button>
          </el-col>
        </el-row>
        <el-table :data="houseChargeItemList" :row-class-name="rowHouseChargeItemIndex" @selection-change="handleHouseChargeItemSelectionChange" ref="houseChargeItem">
          <el-table-column type="selection" width="50" align="center" />
          <el-table-column label="序号" align="center" prop="index" width="50"/>
          <el-table-column label="收费项目" prop="title" width="150">
            <template slot-scope="scope">
              <el-input v-model="scope.row.title" placeholder="请输入收费项目" />
            </template>
          </el-table-column>
          <el-table-column label="收费类型" prop="feeType" width="150">
            <template slot-scope="scope">
              <el-select v-model="scope.row.feeType" placeholder="请选择收费类型">
                <el-option label="请选择字典生成" value="" />
              </el-select>
            </template>
          </el-table-column>
          <el-table-column label="单价" prop="unitPrice" width="150">
            <template slot-scope="scope">
              <el-input v-model="scope.row.unitPrice" placeholder="请输入单价" />
            </template>
          </el-table-column>
          <el-table-column label="当前读数" prop="currentReading" width="150">
            <template slot-scope="scope">
              <el-input v-model="scope.row.currentReading" placeholder="请输入当前读数" />
            </template>
          </el-table-column>
          <el-table-column label="登记日期" prop="registrationDate" width="240">
            <template slot-scope="scope">
              <el-date-picker clearable v-model="scope.row.registrationDate" type="date" value-format="yyyy-MM-dd" placeholder="请选择登记日期" />
            </template>
          </el-table-column>
        </el-table>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listInformation, getInformation, delInformation, addInformation, updateInformation } from "@/api/house/billingInformation";

export default {
  name: "Information",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 子表选中数据
      checkedHouseChargeItem: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 账单表格数据
      informationList: [],
      // 账单明细表格数据
      houseChargeItemList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        houseContract: null,
        billCreatedAt: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询账单列表 */
    getList() {
      this.loading = true;
      listInformation(this.queryParams).then(response => {
        this.informationList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        billId: null,
        houseContract: null,
        billCreatedAt: null,
        totalAmount: null,
        paymentDate: null,
        paymentProof: null,
        isDelete: null
      };
      this.houseChargeItemList = [];
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.billId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加账单";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const billId = row.billId || this.ids
      getInformation(billId).then(response => {
        this.form = response.data;
        this.houseChargeItemList = response.data.houseChargeItemList;
        this.open = true;
        this.title = "修改账单";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.form.houseChargeItemList = this.houseChargeItemList;
          if (this.form.billId != null) {
            updateInformation(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addInformation(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const billIds = row.billId || this.ids;
      this.$modal.confirm('是否确认删除账单编号为"' + billIds + '"的数据项？').then(function() {
        return delInformation(billIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 账单明细序号 */
    rowHouseChargeItemIndex({ row, rowIndex }) {
      row.index = rowIndex + 1;
    },
    /** 账单明细添加按钮操作 */
    handleAddHouseChargeItem() {
      let obj = {};
      obj.title = "";
      obj.feeType = "";
      obj.unitPrice = "";
      obj.currentReading = "";
      obj.registrationDate = "";
      obj.imagePath = "";
      this.houseChargeItemList.push(obj);
    },
    /** 账单明细删除按钮操作 */
    handleDeleteHouseChargeItem() {
      if (this.checkedHouseChargeItem.length == 0) {
        this.$modal.msgError("请先选择要删除的账单明细数据");
      } else {
        const houseChargeItemList = this.houseChargeItemList;
        const checkedHouseChargeItem = this.checkedHouseChargeItem;
        this.houseChargeItemList = houseChargeItemList.filter(function(item) {
          return checkedHouseChargeItem.indexOf(item.index) == -1
        });
      }
    },
    /** 复选框选中数据 */
    handleHouseChargeItemSelectionChange(selection) {
      this.checkedHouseChargeItem = selection.map(item => item.index)
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/information/export', {
        ...this.queryParams
      }, `information_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
